Vitreoretinal disease: a critical review on current technological perspectives and innovative drug-delivery strategies.

To review the state of the art aspects and contemporary innovative drug delivery strategies, for the treatment of vitreoretinal diseases, their mechanism of action through ocular routes and their future perspectives. Scientific databases such as PubMed, Science Direct, Google scholar were used to obtain 156 papers for review. The keywords searched were vitreoretinal diseases; ocular barriers; intravitreal injections; nanotechnology; biopharmaceuticals. The review explored the various routes which can be used to facilitate drug delivery adopting novel strategies, the pharmacokinetic aspects of novel drug-delivery strategies in treating posterior segment eye diseases and current research. Therefore, this review drives focus into the same and underlines their implications to the healthcare sector in making necessary interventions.